On the Hill: Congress looks for answers on Flint water crisisMichigan and federal officials will testify in front of the House Committee on Oversight and Government Reform this afternoon on the water crisis in Flint, Michigan. However, neither the city’s manager nor Michigan Governor Rick Snyder will be there. The FBI joined the criminal investigation into the situation on Tuesday.

New this morning: Another tech giant struggles with diversityIntel released a report on its employee diversity on Wednesday morning, showing it has made progress hiring women, but less so with African-American staffers. The company noted it has eliminated the pay gap between male and female employees.

Coming to a mall near you: Amazon bookstoresThe online retail giant is planning to move into malls across the country, the CEO of mall company General Growth Properties let slip on a Tuesday earnings call. Sandeep Mathrani said Amazon could open as many as 400 physical locations after debuting its first bricks-and-mortar store in Seattle last year. The company isn’t commenting yet.

Ugly numbers, part 2Chipotle fourth-quarter sales fell nearly 15% as the burrito chain struggled with its E. coli crisis. Revenue was down 6.8% in the period while net profits dropped 44%. Cofounder and CEO Steve Ells called it the "most challenging period" in Chipotle’s history."